From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp

---
 kernel/drivers/watchdog/max77620_wdt.c |   32 +++++++-------------------------
 1 files changed, 7 insertions(+), 25 deletions(-)

diff --git a/kernel/drivers/watchdog/max77620_wdt.c b/kernel/drivers/watchdog/max77620_wdt.c
index 70c9cd3..be6a53c 100644
--- a/kernel/drivers/watchdog/max77620_wdt.c
+++ b/kernel/drivers/watchdog/max77620_wdt.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Maxim MAX77620 Watchdog Driver
  *
  * Copyright (C) 2016 NVIDIA CORPORATION. All rights reserved.
  *
  * Author: Laxman Dewangan <ldewangan@nvidia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/err.h>
@@ -112,17 +109,18 @@
 
 static int max77620_wdt_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	struct max77620_wdt *wdt;
 	struct watchdog_device *wdt_dev;
 	unsigned int regval;
 	int ret;
 
-	wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL);
+	wdt = devm_kzalloc(dev, sizeof(*wdt), GFP_KERNEL);
 	if (!wdt)
 		return -ENOMEM;
 
-	wdt->dev = &pdev->dev;
-	wdt->rmap = dev_get_regmap(pdev->dev.parent, NULL);
+	wdt->dev = dev;
+	wdt->rmap = dev_get_regmap(dev->parent, NULL);
 	if (!wdt->rmap) {
 		dev_err(wdt->dev, "Failed to get parent regmap\n");
 		return -ENODEV;
@@ -183,23 +181,8 @@
 	watchdog_set_nowayout(wdt_dev, nowayout);
 	watchdog_set_drvdata(wdt_dev, wdt);
 
-	ret = watchdog_register_device(wdt_dev);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "watchdog registration failed: %d\n", ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int max77620_wdt_remove(struct platform_device *pdev)
-{
-	struct max77620_wdt *wdt = platform_get_drvdata(pdev);
-
-	max77620_wdt_stop(&wdt->wdt_dev);
-	watchdog_unregister_device(&wdt->wdt_dev);
-
-	return 0;
+	watchdog_stop_on_unregister(wdt_dev);
+	return devm_watchdog_register_device(dev, wdt_dev);
 }
 
 static const struct platform_device_id max77620_wdt_devtype[] = {
@@ -213,7 +196,6 @@
 		.name	= "max77620-watchdog",
 	},
 	.probe	= max77620_wdt_probe,
-	.remove	= max77620_wdt_remove,
 	.id_table = max77620_wdt_devtype,
 };
 

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